package base;
import jm.audio.io.SampleOut;
import jm.audio.synth.Envelope;
import jm.audio.synth.Oscillator;

/**
 * A basic ring modulation synthesis instrument
 * which is pure Amplitude Modulation
 *
 * @author Andrew Brown
 */

public final class RingModulationInst extends jm.audio.Instrument {
    //----------------------------------------------
    // Attributes
    //----------------------------------------------
    /**
     * the sample rate passed to the instrument
     */
    private int sampleRate;

    //----------------------------------------------
    // Constructor
    //----------------------------------------------

    /**
     * Basic default constructor to set an initial
     * sampling rate.
     *
     * @param sampleRate
     */
    public RingModulationInst(int sampleRate) {
        this.sampleRate = sampleRate;
    }

    //----------------------------------------------
    // Methods
    //----------------------------------------------

    /**
     * Initialisation method used to build the objects that
     * this instrument will use.
     */
    public void createChain() {
        Oscillator wt1 = new Oscillator(this, Oscillator.SINE_WAVE,
                this.sampleRate, Oscillator.MONO);
        wt1.setFrqRatio((float) 2.2);
        Envelope env = new Envelope(wt1,
                new double[]{0.0, 1.0, 1.0, 0.0});
        Oscillator wt2 = new Oscillator(env,
                Oscillator.SINE_WAVE, Oscillator.AMPLITUDE);
        Envelope env2 = new Envelope(wt2,
                new double[]{0.0, 0.0, 0.05, 1.0, 1.0, 0.0});
        SampleOut sout = new SampleOut(env2);
    }
}

